Syrup 3,5x20 Black large Skom - is designed to work with high quality and sustainable construction, especially hard materials. This large black-headed conversion with a diameter of 3.5 mm and 20 mm is the perfect choice for use in construction and repair work. The SKOM brand production has a high-wearing resistance and is longevity. The large chief design of the syrsum allows the Council to get clean and reliable results in the fastening, ensuring that the surface is more solid. Thanks to its self-cutting feature, it can be easily used without the need for the tool. It is a perfect choice for those dealing with both professional masters and DIY (unique work) projects.